Statistical Question

Zelen’s design

BMJ 2012; 345 doi: http://dx.doi.org/10.1136/bmj.e8505 (Published 14 December 2012)
Cite this as: BMJ 2012;345:e8505

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

HW statistics

Monthly Stats

MonthAbstractFullPDF
June 20132208
May 2013144417
April 201311307
March 20138269
February 2013182312
January 201364933055
December 201274837551

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